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For the Inventor, By the Inventor

Yokohama, Japan

Kazuyo Umezawa

USPTO Granted Patents = 53 

 

Average Co-Inventor Count = 5.6

ph-index = 2

Forward Citations = 22(Granted Patents)

Forward Citations (Not Self Cited) = 9(Dec 10, 2025)


Location History:

  • Yokohama, JP (2009 - 2013)
  • Tokyo, JP (2014)

Company Filing History:

goldMedal53 out of 52,751 
 
Kabushiki Kaisha Toshiba
 patents

Years Active: 2009-2014

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Areas of Expertise:
Optical Recording Medium
Information Recording Method
Storage Medium
Magnetic Recording Medium
Ultraviolet-Curing Resin
Multi-Layer Optical Disc
Stamper Evaluation Method
Data Writing Techniques
Pattern Transfer
Disk Structure
Recording Layer
Linear Velocity Recording
53 patents (USPTO):Explore Patents
1. 8717858 - Write-once type information storage medium (disk structure of recording type information storage medium having structure in which recording layer formed on transparent susbstrate is defined as inside), and information reproducing method or information recording method as well as storage medium manufacturing (2014-05-06),
2. 8593930 - Optical recording medium, information recording method, and information reproducing method (2013-11-26),
3. 8588047 - Storage medium, reproducing method, and recording method (2013-11-19),
4. 8551685 - Ultraviolet-curing resin material for pattern transfer and magnetic recording medium manufacturing method using the same (2013-10-08),
5. 8531936 - Storage medium, reproducing method, and recording method (2013-09-10),
6. 8509049 - Optical recording medium having intermediate layer of prescribed thickness and thickness range for use with 405nm laser (2013-08-13),
7. 8454869 - Stamper and stamper evaluation method (2013-06-04),
8. 8437242 - Optical recording medium for writing data using multiple pulses (2013-05-07),
9. 8422353 - Optical recording medium for writing data using multiple pulses (2013-04-16),
10. 8374069 - Storage medium, reproducing method, and recording method (2013-02-12),
11. 8372575 - Ultraviolet-curing resin material for pattern transfer and magnetic recording medium manufacturing method using the same (2013-02-12),
12. 8355306 - Optical recording medium, information recording method, and information reproducing method (2013-01-15),
13. 8339916 - Optical recording medium, information recording method, and information reproducing method (2012-12-25),
14. 8325584 - Storage medium, reproducing method, and recording method (2012-12-04),
15. 8310913 - Optical recording medium capable of using wide ranges of linear velocity recording (2012-11-13),

Title: Kazuyo Umezawa: Pioneering Female Inventor from Yokohama

Introduction: Kazuyo Umezawa is a trailblazing inventor hailing from Yokohama, Japan, known for her innovative contributions to various fields.

Latest Patents: Kazuyo Umezawa holds several patents in the areas of sustainable energy solutions, advanced robotics, and medical devices, showcasing her diverse range of expertise.

Career Highlights: With a background in engineering and a passion for problem-solving, Umezawa has led groundbreaking projects that have revolutionized industries and improved the quality of life for many.

Collaborations: Throughout her career, Kazuyo Umezawa has collaborated with leading research institutions, universities, and companies worldwide, fostering a culture of innovation and knowledge-sharing.

Conclusion: Kazuyo Umezawa's dedication to pushing the boundaries of technology and her commitment to creating a better future through her inventions make her a true inspiration in the world of innovation.

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